/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemBlueprintLibrary.h
Gets the magnitude of change for an attribute on an APPLIED GameplayEffectSpec.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Ability|GameplayEffect") static float GetModifiedAttributeMagnitude ( [FGameplayEffectSpecHandle](API\Plugins\GameplayAbilities\FGameplayEffectSpecHandle) SpecHandle, [FGameplayAttribute](API\Plugins\GameplayAbilities\FGameplayAttribute) Attribute )